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Safety switches safety switches & limits - heating Collection
Midwest Supply is your trusted source for a wide selection of affordable safety switches and accessories from leading brands like York, Nortek, Honeywell Home, and more. We offer a variety of switch actions (fusible, non-fusible, maintained) in durable materials (brass, steel, steel enclosures) to meet your industrial control requirements.
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Airco Electrical Bosch Electrical Bradford White Electrical Broan Fans Electrical Buderus Electrical Burnham Boilers Electrical Carlin Electrical Electrical Electrical First Co Electrical Heat Transfer Prod Electrical Honeywell Home Electrical Honeywell Inc Electrical Intellihot Electrical Laars Electrical Mars Controls Electrical Mcdonnell Miller Electrical Modine Electrical
Navien Boilers & Water Heaters Electrical R.W. Beckett Electrical Rinnai Electrical Thermo Pride Furnaces Electrical Tjernlund Electrical Water Heater Parts Electrical Weil Mclain Electrical York Electrical
Navien Boilers & Water Heaters Electrical R.W. Beckett Electrical Rinnai Electrical Thermo Pride Furnaces Electrical Tjernlund Electrical Water Heater Parts Electrical Weil Mclain Electrical York Electrical
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7250P-081 | Pressure Switch Munchkin Water with Gasket 7250P-081 | Heat Transfer Prod
Brand: Heat Transfer Prod
SKU: 7250P-081
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7250P-089 | Switch Munchkin Thermodisc Flue ECO | Heat Transfer Prod
Brand: Heat Transfer Prod
SKU: 7250P-089
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30014699A | Water Pressure Sensor for CH/NCB Model | Navien Boilers & Water Heaters
Brand: Navien Boilers & Water Heaters
SKU: 30014699A
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64980007 | Pressure Switch Munchkin Blocked Vent 7250P-150 | Heat Transfer Prod
Brand: Heat Transfer Prod
SKU: 64980007
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511624548 | Pressure Switch Differential SPDT 1.15 Inch Water Column | Weil Mclain
Brand: Weil Mclain
SKU: 511624548
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511624450 | Pressure Switch Differential 1.18 Inch Water Column | Weil Mclain
Brand: Weil Mclain
SKU: 511624450
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7500P-090 | Condensate Cup Munchkin with Engagement/Overflow Switch | Heat Transfer Prod
Brand: Heat Transfer Prod
SKU: 7500P-090
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7250P-147 | Pressure Switch Munchkin 7250P-147 | Heat Transfer Prod
Brand: Heat Transfer Prod
SKU: 7250P-147
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60160880 | Pressure Switch Air Differential 0.35 Inch WC | Burnham Boilers
Brand: Burnham Boilers
SKU: 60160880
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60160877 | Pressure Switch Air Negative 0.70 Inch WC | Burnham Boilers
Brand: Burnham Boilers
SKU: 60160877
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110400 | Switch 5-M Electric with Manual Reset 120/240 Volt | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 110400
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106038-01 | Outdoor Sensor Kit for Hydrolevel 48-140 | Burnham Boilers
Brand: Burnham Boilers
SKU: 106038-01
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311200 | Float 21-30 Replacement for 21 Series | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 311200
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114639 | Flow Switch FS4-3RP-T Liquid with Test Feature 1 Inch NPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 114639
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109714-01 | Low Water Cut Off Control Xylem PSE801 with Harness and Probe | Burnham Boilers
Brand: Burnham Boilers
SKU: 109714-01
Application
- 10C403
- 10C437
- 10C438
- Auto-Draft Inducers
- ES2 X-2 CGE AG
- G124X Boilers
- GV 3 Series Boilers
- HE/VHE Series
- Independence Series Boilers
- L8148E1299
- Low Water Cut Offs Water Feeder
- Low Water Cut Offs; Steam Boilers
- Plus 30/40/60/80
- SS1-R Side Wall Vent Systems
- T50M/80M/140M/199M/399M
- WHKE Millivolt Interlock Kit
Part Number
Pressure
Product Type
- 2 Level High Pressure
- Adapter
- Air
- Air Differential
- Air Negative
- Antunes High Gas
- Antunes Low Gas
- Aquastat 100-240DEG F Manual Reset Less Well
- Aquastat High Limit for Burnham Series 8H Boiler L4080B1212
- Block Temperature
- Blocked Vent
- Boiler
- Bulk Pack
- Combination High/Low
- Cutoff
- Cutoff with Manual Reset
- Differential
- Differential SPDT
- ECO
- Electric Replacement
- Electric with Manual Reset
- For 61/64/67/69/70/764/767
- For Combi Aspen
- For Combi K2WTC
- Gas
- General Purpose Liquid SPDT
- General Purpose SPDT with NEMA-1 Enclosure
- General Purpose SPDT with NEMA-4 Enclosure
- Green Label
- High
- High Sensitivity Liquid SPDT
- High Temperature
- Igniter Sensor Electronic LEC PENN Y75AA-3D
- Immersion
- Kit for Hydrolevel 48-140
- Liquid with Test Feature
- Low
- Low Strap-On New Style
- Low Water Cut Off Controller Less Switch
- Main
- Manual Reset with Bracket
- Mark II
- Old Style External J Box Mount
- On/Off
- Plus Residential
- Potentiometer Automatic Reset
- Redundant Limit
- Repair Kit
- Replacement for 21 Series
- Replacement with Manual Reset
- SPST Proving
- Spill 24V with Manual Reset
- Spill with Reset
- Suction
- Thermodisc Flue ECO
- Vent Blocked 200DEG F Setpoint
- Vent Blocked Manual Reset
- Water
- Water Hex Tee
- Water with Blue Dot
- Water with Gasket
- With Engagement/Overflow Switch
- With Screw
- Xylem PSE801 with Harness and Probe
- with Sensing Tube
Size
Temperature
Used on
- 80M/140M/199M
- ALP080-210 Boilers
- Alpine 80-105
- Aspen
- CGi-2.5-3-4 Series 1
- CH/NCB Model
- E/Q Series
- E110CN/CP E75CN/CP
- EZ Gas Burner
- EZ Gas Burner Pro Series
- Elite Boilers
- Elite FT
- Freedom and CHG Series Boilers
- GA124/17
- GA124/23
- GA244/37
- GA244/44
- GB142 Series
- GV
- GV90+
- Gas Fired Boilers
- HE-Series 3 HE-II Series 3-4-5
- HE-Series 3 HE-II Series 3-5
- HSJ; UC1; HSUL-J ; HST-J; HS115-J; HS1; HSUL-1; HST-1; HS115-1; Side Wall Power Venters
- HW Series Boilers
- K2WT-180B 180WTC
- K2WT80-180B
- MC50/80/99/120
- Model SSB
- Multilevel Control
- Pennant / Mighty Therm II
- Pennant Pool Heater
- SS2; SS2G Side Wall Vent Systems
- SSB-512
- SSB85-SSB160
- Series 61/64/67/69/70
- Series 93; 193; 94 and 194 Combination Low Water Cut-Offs/Pump Controllers
- T/EL/ELP
- T/EL/EP/ELP
- T/MC/EL/EP/ELP
- T50M/80M/140M/199M/399M/MC
- VHE Series 2
- WGO Series
- Water
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